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redos attack
About this tag
The redos attack tag on WindowsForum.com covers ReDoS (Regular Expression Denial of Service) vulnerabilities, with a focus on the CVE-2024-45296 issue in the path-to-regexp library. This vulnerability allows attackers to trigger catastrophic backtracking in Node.js routing, causing server freezes and low-complexity DoS attacks. Discussions include how common route patterns can generate vulnerable regexes, the impact on applications using path-to-regexp, and mitigation strategies. The tag is relevant for developers and IT professionals managing Node.js services, particularly those concerned with security, performance, and preventing denial-of-service conditions through regex input handling.
The path-to-regexp library can, under very common route patterns, generate regular expressions that trigger catastrophic backtracking — a bug tracked as CVE-2024-45296 that can freeze Node.js servers and create an easy, low‑complexity Denial‑of‑Service (DoS) vector against applications that rely...